This circuit is from an old documentation making use of a 3,579,645 MHz analog color television crystal. The audio amplifier supports the equivalent.
The basic configuration for a 4017 when used as a decade divider with one-of-ten decoded outputs...
This circuit includes the amplifier for the signals, being fully transistorized and using varicap...
This circuit was found in a 1962 publication. At the time there were high voltage batteries like the...